children to educate. a middle class to rebuild. but the last thing we should do is turn back now. president obama: i'm barack obama and... i approve this message. >>> facebook versus your privacy. some big changes coming for our facebook friends in europe. the social media giant will drop its controversial facial recognition tool for all europeans by tomorrow. here to discuss the changes and tell us what they could mean for those facebook addicts here in the u.s. is nadia bilchik. good morning. all right. so we're talking about this facial recognition tool. i've actually opted out of this but tell us briefly for viewers at home how it works. >> in essence, the minute you've been tagged in a photograph once, what fatebook technology allows you to do is next time you have a group of photos, if you want to tag this photothe facial recognitiwreck fee -- re feature will give you options. it groups multiple images and looks at four head, eyebrows, temple and ideally allows a face to be recognized but it isn't 100% accurate. the minute it's tilted or lighting is different research shows